update/project/*: unified patch handling

Handle patches by a function at include/git.sh

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/git.sh

@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
+
+git_am_patches()
+{
+	sdir="${1}" # assumed to be absolute path
+	patchdir="${2}" # ditto
+	_fail="${3}"
+	(
+	cd "${sdir}" || \
+	    "${_fail}" "apply_patches: !cd \"${sdir}\""
+	for patch in "${patchdir}/"*; do
+		[ -L "${patch}" ] && continue
+		[ -f "${patch}" ] || continue
+		if ! git am "${patch}"; then
+			git am --abort || "${_fail}" "${sdir}: !git am --abort"
+			"${_fail}" "!git am ${patch} -> ${sdir}"
+		fi
+	done
+	)
+}

script/update/project/repo

@@ -5,13 +5,14 @@
 # SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
 
 . "include/err.sh"
+. "include/git.sh"
 
 name=""
 revision=""
 location=""
 url=""
 bkup_url=""
-tmp_dir="tmp/gitclone"
+tmp_dir="${PWD}/tmp/gitclone"
 depend=""
 
 main()
@@ -83,7 +84,8 @@ clone_project()
 	git reset --hard ${revision} || \
 	    fail "clone_project: Cannot reset revision"
 	)
-	patch_project
+	git_am_patches "${tmp_dir}" "${PWD}/config/${name}/patches" "fail" || \
+	    fail "clone_project ${location}/: cannot apply patches"
 
 	[ ! -d "${location}" ] || \
 		rm -Rf "${location}" || \
@@ -94,20 +96,6 @@ clone_project()
 	    fail "clone_project: could not copy temp file to destination"
 }
 
-patch_project()
-{
-	patchdir="config/${name}/patches"
-
-	for patchfile in "${PWD}/${patchdir}"/*.patch ; do
-		[ -f "${patchfile}" ] || continue
-		(
-		cd "${tmp_dir}" || fail "patch_project: tmpdir unavailable"
-		git am "${patchfile}" || \
-		    fail "patch_project: Cannot patch project: $name"
-		)
-	done
-}
-
 fail()
 {
 	for x in "${location}" "${tmp_dir}"; do

script/update/project/trees

@@ -8,6 +8,7 @@
 set -u -e
 
 . "include/err.sh"
+. "include/git.sh"
 
 _target=""
 tree=""
@@ -148,16 +149,10 @@ prepare_new_tree()
 	    err "cannot reset ${project} revision for tree, ${tree}"
 	git submodule update --init --checkout || \
 	    err "cannot update ${project} submodules for tree, ${tree}"
-
-	for patch in "../../${cfgsdir}/${tree}/patches/"*.patch; do
-		[ -f "${patch}" ] || continue
-		if ! git am "${patch}"; then
-			git am --abort || \
-			    err "${project}/${tree}: FAILED: git am --abort"
-			err "cannot patch: ${project}/${tree}"
-		fi
-	done
 	)
+	git_am_patches "${PWD}/${project}/${tree}" \
+	    "${PWD}/${cfgsdir}/${tree}/patches" "err" || \
+	    err "prepare_new_trees ${project}/${tree}: cannot apply patches"
 }
 
 err_rm_seen()